Architectural ruler



FIG. 1 is a perspective view of an architectural ruler showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a right side view thereof; and,

FIG. 8 is an enlarged sectional view of FIG. 6. 

CLAIM The ornamental design for an architectural ruler, as shown and described. 